Now Playing: News headlines today: Oct. 19, 2018

Now Playing: News headlines today: Oct. 22, 2018

Now Playing: Ex-NFL player Rae Carruth released after nearly 20 years in prison

Now Playing: 70-year-old woman murdered in New York City apartment

Now Playing: Dance floor collapse at college party injures dozens

Now Playing: Woman speaks out about video of police hitting her daughter

Now Playing: Mega Millions jackpot reaches $1.6 billion

Now Playing: Urgent manhunt underway after police officer killed

Now Playing: Survivor describes horrifying moments of deadly rafting accident

Now Playing: New York Police Department halts use of bodycams after 1 explodes

Now Playing: Why Kim Schrier left medicine to run for Congress

Now Playing: The Purdue college football team named a big fan who has bone cancer as team captain

Now Playing: Video shows a Florida police officer hitting a 14-year-old during arrest

Now Playing: Lottery prizes have increased since no one drew the winning numbers

Now Playing: A manhunt in Georgia continues for a man suspected of killing a police officer

Now Playing: Dozens of people are recovering after an apartment floor collapsed in South Carolina

Now Playing: Huge jackpots up for grabs in the Mega Millions and Powerball lotteries

Now Playing: Suspect in custody for murder of Georgia police officer

Now Playing: Sheriff’s deputy repeatedly punches DUI suspect in dash-cam footage

Now Playing: Woman seen on video leaving toddler on stranger’s doorstep speaks out